Home / 553,613.01-763,985.94-298,964.19

Finding the Fourth Proportional to 553,613.01, 763,985.94 and 298,964.19

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Solution

The fourth proportional to 553,613.01, 763,985.94 and 298,964.19 is: 412,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,613.01 : 763,985.94 = 298,964.19 : x
  2. Step 2: Convert to fraction form
    553,613.01/763,985.94 = 298,964.19/x
  3. Step 3: Cross multiply
    553,613.01x = 763,985.94 × 298,964.19
  4. Step 4: Simplify right side
    553,613.01x = 228,404,437,723.49
  5. Step 5: Solve for x
    x = 228,404,437,723.49/553,613.01
  6. Step 6: Final answer
    x = 412,570.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.